82 



Ocean Magnetic Observations, 1905-16 



Cruise II, February to October 1906. 



Table 25. — Declination and Inclination Devialion-Coefficients and Details regarding Swings of the Galilee, 1906. 



Place 



1 San Diego 

 la San Diego 



17 

 18 

 19 

 20 

 21 



22 



San Diego 

 San Diego 

 At sea 

 At sea 

 At sea 

 At sea 

 At sea 

 At sea 



Fanning I , 



At sea . . 

 At sea . . 

 Suva. . . 

 At sea . . 



32.7 N 

 32.7 N 



32.7 n| 



32.7 n; 



28.8 N 

 27.1 N 



26.0 N 



25.1 N 



17.9 N 

 15.4 N; 



15 At sea. 



16 I At sea. 



At sea . 

 At sea' 

 Jaluit. . 

 At sea. 

 At sea . 



Guam. 



23 At sea 



24 At sea 



25 i TokioGulf 



26 I TokioGulT 



27 ! At sea 



28 j At sea 



29 • At sea 



30 I At sea 



31 I At sea 

 At sea 

 At sea 

 San Diego 



Lat. 



LiOng 

 East 

 of Or 



242.8 



242.8 



242 



242.8 



237.8 



234.9 



232.9 



225.0 



216.6 



213.1 



3.9 N 200.6 



2.0 N 



7.1 S 

 18.1 S 



8.2 S 



4.8 S 

 1.6 S 



0.9 

 5.9 

 5.9 

 7.8 

 10.4 



13.4 N 



29.8 

 31.1 

 35.4 

 35.4 

 35.6 

 43.1 

 45.0 

 43.6 

 45.4 

 39.7 

 35.7 

 32.7 



200.0 

 197.0 

 178.4 

 180.2 



180.4 

 178.2 



177.9 

 170.6 

 169.6 

 163.1 

 155.5 



144.6 



144.9 



142.1 



139.7 



139.7 



148.6 



149.7 



167.7 



175.0 



195. 



230.9 



237.1 



242.8 



1906 

 Feb 14 

 Feb 16 

 Feb 26 

 Mar 1 

 Mar 5 

 Mar 7 

 Mar 9 

 Mar 14 

 Mar 21 

 Mar 24 

 7' 

 Apr 8j- 

 loj 

 Apr 12 

 Apr 16 

 May 18 

 Jun 4 



Date 



Jun 

 Jun 



Jun 12 

 Jun 20 

 Jun 28 

 Jul 3 

 Jul 6 



14 

 Jul 18 



23. 

 Aug 3 

 Aug 7 

 Aug 21 

 Sep 6 

 Sep 10 

 Sep 15 

 Sep 22 

 Sep 26 

 Sep 30 

 Oct 12 

 Oct 15 

 Oct 22 



.Approximate Mag- 

 netic Elements 



+ 14.6 

 + 14.6 

 + 14.7 

 +14.7 

 +13.7 

 +12.9 

 +12.8 

 +12.3 

 + 9.4 

 + 8.8 



+ 7.6 



+ 7.2 

 + 8.2 

 +10.4 

 + 9.0 



+ 9.0 

 + 8.9 



+ 9.1 

 + 8.6 

 + 8.3 

 + 7.4 

 + 5.4 



+ 2.2 



- 2.2 



- 3.0 



4.7 



- 4.3 

 + 3.6 



+ 7.1 

 + 15.4 



+16.6 

 +15.0 



+58.1 

 +58.1 

 +58.1 

 +58.1 

 +53.1 



+49.0 

 +46.4 

 +36.2 

 +31.5 



+10.7 



+ 6.8 

 -13.4 

 -38.1 

 -19.0 



-12.2 



- 5.8 



- 1.1 

 + 6.1 

 + 6.5 



+ 7.2 



+ 9.9 



+14.4 



+40.5 



+42.8 



+48.5 



+48 



+48, 



+55 



+57 



+56 



+60. 



+62. 



+60, 



+58, 



c.g.8. 

 277 

 277 

 278 

 .278 

 .295 

 ,297 

 .300 

 299 

 311 

 318 



340 



345 

 359 

 349 

 364 



365 

 .361 



.350 

 .344 

 .344 

 .344 

 .345 



.350 



.313 



.312 

 .300 

 .300 

 .290 

 .267 

 .251 

 .250 

 .235 

 .246 

 .262 

 .277 



Declination 



.12 



-.01 



-.06 



+.08 



+.18 



-.18 



-.12 

 -.10 

 -.20 

 -.12 

 -.55 

 -.16 

 .00 

 -.01 



-.05 



+.32 

 -.15 

 -.26 

 -.03 



+.08 

 -.09 



-.08 



.00 



.00 



-.16 



+.10 



-.08 

 -.25 



+.10 

 +.12 



-.14 

 -.04 



+.13 

 +.02 



-.06 



-.03 

 -.01 

 -.04 

 -.28 

 -.04 

 -.14 

 +.08 

 +.21 



.00 



-.16 

 -.09 

 -.07 

 -.10 



+.04 

 -.08 



-.06 



-.05 

 +.14 

 -.10 



-.12 



-.18 

 +.08 



-.20 

 -.07 



+.01 

 +.24 



-.60 

 .00 



+.14 



+.15 

 +.17 

 +.01 

 +.12 

 +.11 

 +.18 

 +.11 

 +.24 



-.02 



+.24 

 +.08 

 +.02 

 +.05 



+.11 

 +.06 



+.05 



+.04 

 + .10 

 +.10 



+.12 



-.14 

 .00 



+.14 

 +.01 



+.11 

 +.10 



+.17 

 -.04 



-.01 



-.04 

 -.10 

 -.05 

 -.08 

 +.10 

 + .06 

 +.06 

 -.12 



+.06 



+.14 



-.14 



.00 



-.06 



-.10 

 -.07 



+.01 



-.05 

 + .06 

 -.15 



-.02 



.00 

 +.18 



+.06 

 -.03 



-.06 

 +.18 



-.10 

 +.06 



P. E 



Head- Com- 

 ings pass 



..03 



±.05 

 *.04 

 ±.05 

 ±.15 

 ±.12 

 ±.07 

 ±.03 

 ±.08 



±.08 



±.12 

 ±.09 

 ±.04 

 ±.12 



±.03 

 ±.04 



±.03 



±.01 

 ±.01 



±.04 

 ±.05 



7 

 

 8 =8 

 8 7 



Meth- 

 od 



RIB 



RIB 

 RIB 

 RIB 

 RIB 

 RIB 

 RIB 

 RIB 

 RIB 



RIB 



RIB 

 RIB 

 RIB 

 RIB 



RIB 

 RIB 



RIB 



RIB 

 RIB 

 RIB 



RIB 



RIB 

 RIB 



RIB 

 RIB 



RIB 

 RIB 



6; RIB 

 8 RIB 



Obs'r 



WJP 



WJP 

 WJP 

 WJP 

 WJP 

 WJP 

 WJP 

 WJP 

 WJP 



WJP 



WJP 

 WJP 

 WJP 

 WJP 



WJP 

 WJP 



WJP 



WJP 

 WJP 

 WJP 



WJP 



WJP 

 WJP 



WJP 

 WJP 



WJP 

 WJP 



WJP 

 WJP 



Inclination 



+ .21 

 +.26 

 +.22 



+ .17 



.13 



+.49 



+.33 



+.26 

 +.29 



+.21 



+.22 +.06, -.06 



+.01 +.31 -.04 



+.03 +.32 -.05 



02 -.49! -.15 



+.14 

 +.29 

 + .20 

 + .02 



-.04 



-.04 



-.09 



.00 



-.10 



-.06 

 -.01 



.00 

 +.08 

 +.12 

 +.03 

 +.23 



+.02 



+.08 

 +.28 

 +.14 

 +.09 

 +.19 

 +.23 

 +.18 

 +.20 

 +.25 

 +.10 

 +.22 

 +.13 



-.44 -.02 

 -.10 -.10 

 -.30 -.06 

 -.32, -.03 



-.29 '+.02 



-.49 

 -.43 



+.03 



+.04 

 -.07 +.04 

 -.38 -.02 



-.40 



-.37 

 -.25 

 +.12 

 -.52 

 +.05 



-.40 



-.36 

 -.39 

 -.31 

 +.06 

 -.12 

 -.28 

 +.08 

 -.53 

 -.02 

 -.34 

 -.26 

 -.38 



.00 



+.07 



-.03 

 -.09 

 +.04 

 -.02 

 -.10 



-.03 



-.02 



-.10 

 -.02 

 -.15 

 -.04 

 +.05 

 .00 

 -.02 

 -.10 

 +.01 

 +.04 

 -.06 



-.02 



+.03 



+.01 



.00 



-.01 



+.03 

 -.01 



+.04 



+.04 



P. E. 



Head- 

 ings 



:.07 12 



:.06 



..04 



35.2A.SSL 

 35.2B,3SL 

 35.2A,SSL 

 35.SS 



Dip Circle 



35.SL 



35 .SS 

 35.SL 

 35 .3S 



35.SSL 



35.SL 

 35.SL 

 35,SS 

 35,SL 



35 .33 

 35.SL 



35.3L 

 35.SL 

 35.SL 

 35.SL 

 35.3L 



35.2A.3SI 



.2A,SS 

 ,3L 



,2B.SSL 

 .2.\ 



SS 



,SL 



.SS 



.3L 



.2B,SS 



SS 



,2A 



.2A,SSL 



Obs'r 



JCP 

 JCP 

 JCP 

 JCP 



JCP 

 JCP 

 JCP 

 JCP 



JCP 



JCP 

 JCP 

 JCP 

 JCP 



JCP 

 JCP 



JCP 

 JCP 

 JCP 

 JCP 

 JCP 



JCP 



JCP 

 JCP 

 JCP 

 JCP 

 JCP 

 JCP 

 JCP 

 JCP 

 JCP 

 JCP 

 JCP 

 JCP 



*Two starboard swings: one, 8 headings; other. 6 

 'Two starboard swings; both 8 headings. 

 'Two port swings; both S headings. 

 *Two port swings; one, 6 headings; other, 8 



*The declination results were not used, the awing being but a partial one. 

 •Before accident. 

 'After accident 



